S07E13: Once Lost
Elena is forced to face the consequences of her past, as the team is put on the case to search for her former partner who went missing during an undercover sting.
Previous Episode 
Season 1
Pilot
S1E1 / 26 Sep 2002
Birthday Boy
S1E2 / 03 Oct 2002He Saw, She Saw
S1E3 / 10 Oct 2002Between the Cracks
S1E4 / 17 Oct 2002
Suspect
S1E5 / 24 Oct 2002Silent Partner
S1E6 / 31 Oct 2002Snatch Back
S1E7 / 07 Nov 2002Little Big Man
S1E8 / 14 Nov 2002
In Extremis
S1E9 / 21 Nov 2002Midnight Sun
S1E10 / 12 Dec 2002Maple Street
S1E11 / 09 Jan 2003
Underground Railroad
S1E12 / 16 Jan 2003
Hang On to Me
S1E13 / 30 Jan 2003The Friendly Skies
S1E14 / 06 Feb 2003
There Goes the Bride
S1E15 / 20 Feb 2003
Clare de Lune
S1E16 / 27 Feb 2003Kam Li
S1E17 / 13 Mar 2003The Source
S1E18 / 03 Apr 2003Victory for Humanity
S1E19 / 10 Apr 2003
No Mas
S1E20 / 24 Apr 2003Are You Now Or Have You Ever Been?
S1E21 / 01 May 2003
Fall Out (1)
S1E22 / 08 May 2003Fall Out (2)
S1E23 / 15 May 2003
Season 2
The Bus
S2E1 / 25 Sep 2003Revelations
S2E2 / 02 Oct 2003Confidence
S2E3 / 09 Oct 2003Prodigy
S2E4 / 23 Oct 2003Copycat
S2E5 / 30 Oct 2003Sons and Daughters
S2E6 / 06 Nov 2003A Tree Falls
S2E7 / 13 Nov 2003Trip Box
S2E8 / 20 Nov 2003Moving On
S2E9 / 11 Dec 2003Coming Home
S2E10 / 18 Dec 2003Exposure
S2E11 / 08 Jan 2004Hawks and Handsaws
S2E12 / 15 Jan 2004Life Rules
S2E13 / 29 Jan 2004The Line
S2E14 / 05 Feb 2004
Wannabe
S2E15 / 12 Feb 2004Risen
S2E16 / 19 Feb 2004
Gung Ho
S2E17 / 26 Feb 2004Legacy
S2E18 / 11 Mar 2004Doppelgänger
S2E19 / 01 Apr 2004Shadows
S2E20 / 15 Apr 2004Two Families
S2E21 / 29 Apr 2004The Season
S2E22 / 06 May 2004Lost and Found
S2E23 / 13 May 2004Bait
S2E24 / 20 May 2004
Season 3
In the Dark
S3E1 / 23 Sep 2004Thou Shalt Not
S3E2 / 07 Oct 2004Light Years
S3E3 / 14 Oct 2004Upstairs Downstairs
S3E4 / 21 Oct 2004American Goddess
S3E5 / 28 Oct 2004Nickel and Dimed (1)
S3E6 / 04 Nov 2004Nickel and Dimed (2)
S3E7 / 11 Nov 2004
Doppelgänger: Part 2
S3E8 / 18 Nov 2004Trials
S3E9 / 25 Nov 2004Malone v. Malone
S3E10 / 09 Dec 20044.0
S3E11 / 06 Jan 2005Penitence
S3E12 / 13 Jan 2005Volcano
S3E13 / 03 Feb 2005Neither Rain Nor Sleet
S3E14 / 10 Feb 2005Party Girl
S3E15 / 17 Feb 2005
Manhunt
S3E16 / 24 Feb 2005Lone Star
S3E17 / 10 Mar 2005Transitions
S3E18 / 31 Mar 2005Second Sight
S3E19 / 14 Apr 2005The Bogie Man
S3E20 / 04 May 2005Off the Tracks
S3E21 / 05 May 2005John Michaels
S3E22 / 12 May 2005Endgame
S3E23 / 19 May 2005
Season 4
Showdown
S4E1 / 29 Sep 2005Safe
S4E2 / 06 Oct 2005From the Ashes
S4E3 / 13 Oct 2005Lost Time
S4E4 / 20 Oct 2005Honor Bound
S4E5 / 27 Oct 2005Viuda Negra
S4E6 / 03 Nov 2005The Innocents
S4E7 / 10 Nov 2005A Day in the Life
S4E8 / 17 Nov 2005Freefall
S4E9 / 24 Nov 2005When Darkness Falls
S4E10 / 08 Dec 2005Blood Out
S4E11 / 05 Jan 2006Patient X
S4E12 / 19 Jan 2006Rage
S4E13 / 26 Jan 2006Odds or Evens
S4E14 / 02 Feb 2006The Stranger
S4E15 / 09 Feb 2006The Little Things
S4E16 / 02 Mar 2006Check Your Head
S4E17 / 09 Mar 2006The Road Home
S4E18 / 30 Mar 2006Expectations
S4E19 / 13 Apr 2006More Than This
S4E20 / 20 Apr 2006Shattered
S4E21 / 27 Apr 2006Requiem
S4E22 / 04 May 2006White Balance
S4E23 / 11 May 2006Crossroads
S4E24 / 18 May 2006
Season 5
Stolen
S5E1 / 24 Sep 2006Candy
S5E2 / 01 Oct 2006911
S5E3 / 08 Oct 2006All for One
S5E4 / 15 Oct 2006The Damage Done
S5E5 / 22 Oct 2006The Calm Before
S5E6 / 29 Oct 2006All the Sinners, Saints
S5E7 / 05 Nov 2006Win Today
S5E8 / 12 Nov 2006Watch Over Me
S5E9 / 19 Nov 2006The Thing with Feathers
S5E10 / 03 Dec 2006Fade-Away
S5E11 / 10 Dec 2006Tail Spin
S5E12 / 07 Jan 2007Eating Away
S5E13 / 14 Jan 2007Primed
S5E14 / 21 Jan 2007Desert Springs
S5E15 / 18 Feb 2007Without You
S5E16 / 04 Mar 2007Deep Water
S5E17 / 11 Mar 2007Connections
S5E18 / 18 Mar 2007At Rest
S5E19 / 25 Mar 2007Skin Deep
S5E20 / 08 Apr 2007Crash and Burn
S5E21 / 15 Apr 2007One and Only
S5E22 / 29 Apr 2007Two of Us
S5E23 / 06 May 2007The Beginning
S5E24 / 10 May 2007
Season 6
Lost Boy
S6E1 / 27 Sep 2007Clean Up
S6E2 / 04 Oct 2007Res Ipsa
S6E3 / 11 Oct 2007Baggage
S6E4 / 25 Oct 2007Run
S6E5 / 01 Nov 2007
Where & Why (II)
S6E6 / 08 Nov 2007Absalom
S6E7 / 15 Nov 2007Fight/Flight
S6E8 / 22 Nov 2007
One Wrong Move
S6E9 / 06 Dec 2007Claus and Effect
S6E10 / 13 Dec 2007
4G
S6E11 / 10 Jan 2008
Article 32
S6E12 / 17 Jan 2008Hard Reset
S6E13 / 03 Apr 2008A Bend in the Road
S6E14 / 10 Apr 2008Deja Vu
S6E15 / 24 Apr 2008A Dollar and a Dream
S6E16 / 01 May 2008Driven
S6E17 / 08 May 2008Satellites
S6E18 / 15 May 2008
Season 7
Closure
S7E1 / 23 Sep 2008
22 x 42
S7E2 / 30 Sep 2008Last Call
S7E3 / 14 Oct 2008True / False
S7E4 / 21 Oct 2008Rise and Fall
S7E5 / 28 Oct 2008Live to Regret
S7E6 / 11 Nov 2008Rewind
S7E7 / 18 Nov 2008Better Angels
S7E8 / 25 Nov 2008Push Comes to Shove
S7E9 / 02 Dec 2008Cloudy With a Chance Of Gettysburg
S7E10 / 16 Dec 2008Wanted
S7E11 / 06 Jan 2009Believe Me
S7E12 / 13 Jan 2009Once Lost
S7E13 / 27 Jan 2009Friends and Neighbors
S7E14 / 03 Feb 2009
Chameleon
S7E15 / 10 Feb 2009Skeletons
S7E16 / 17 Feb 2009Voir Dire
S7E17 / 17 Mar 2009Daylight
S7E18 / 31 Mar 2009Heartbeats
S7E19 / 07 Apr 2009
Hard Landing
S7E20 / 14 Apr 2009Labyrinths
S7E21 / 28 Apr 2009Devotion
S7E22 / 05 May 2009True
S7E23 / 12 May 2009Undertow
S7E24 / 19 May 2009
Anthony LaPaglia
Jack Malone
Poppy Montgomery
Samantha Spade
Marianne Jean-Baptiste
Vivian Johnson
Enrique Murciano
Danny Taylor
Roselyn Sánchez
Elena Delgado
